111023302202120 has 256 divisors, whose sum is σ = 318780232888320. Its totient is φ = 33798415795200.

The previous prime is 111023302202101. The next prime is 111023302202147. The reversal of 111023302202120 is 21202203320111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111023302202092 and 111023302202101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21026342 + ... + 25771178.

It is an arithmetic number, because the mean of its divisors is an integer number (1245235284720).

Almost surely, 2^{111023302202120} is an apocalyptic number.

111023302202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111023302202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159390116444160).

111023302202120 is an abundant number, since it is smaller than the sum of its proper divisors (207756930686200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111023302202120 is a wasteful number, since it uses less digits than its factorization.

111023302202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745044 (or 4745040 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111023302202120 its reverse (21202203320111), we get a palindrome (132225505522231).

The spelling of 111023302202120 in words is "one hundred eleven trillion, twenty-three billion, three hundred two million, two hundred two thousand, one hundred twenty".